code: def test_subtract_different_utc_objects(
      self, utc_fixture, utc_fixture2
  ):
      # GH 32619
      dt = datetime(2021, 1, 1)
      ts1 = Timestamp(dt, tz=utc_fixture)
      ts2 = Timestamp(dt, tz=utc_fixture2)
      result = ts1 - ts2
      expected = Timedelta(0)
      assert result == expected
  
imports: from datetime import datetime, timedelta, timezone
  from dateutil.tz import gettz
  import numpy
  import pytest
  import pytz
  from pandas._libs.tslibs import OutOfBoundsDatetime, OutOfBoundsTimedelta, Timedelta, Timestamp, offsets, to_offset
  import pandas._testing
label_desc: Use image node_id 17 for calling the TestTimestampArithmetic obj's underlying member method code with example usage: obj.test_subtract_different_utc_objects(utc_fixture, utc_fixture2) without return types